Loud Speakers. Theory, Performance, Testing and Design by N.W. McLachlan. Oxford at the Clarendon Press. 1934. 399 pages. Bright gilt lettering and decoration on the spine. Light cover edge wear. Some bumping to corner cover tips reflected in some of the the neighboring pages. A slight warp near the top edge of the front cover. Top edge of the page block is lightly soiled. 3 Small tears to the edges of pages 79-84 less than 1/2" long. Otherwise, no previous owner markings. No other tears, folds or creases to pages. Binding is tight with no looseness to pages. Not ex-library, not remaindered and not a facsimile reprint. For sale by Jon Wobber, bookseller since 1978. DD01a